Public Charity

LAKESIDE SCHOOL

LAKESIDE SCHOOL, of SEATTLE, WA, is a Public Charity tracked in Imperigo's IRS 990 database. The 2025 filing shows $125.3M in revenue, $62.7M in expenses, $590.5M in total assets. 176 publicly reported grants to this organization, totaling roughly $10.0M, appear in IRS filings.

EIN: 910564971 SEATTLE, WA Elementary & Secondary Schools NTEE: B20 Latest filing: 2025
Total Revenue$125.3M
Total Expenses$62.7M
Total Assets$590.5M
Grant Records176
Funding Total$10.0M
Filing Years2021–2025

Mission

THE MISSION OF LAKESIDE SCHOOL IS TO DEVELOP IN INTELLECTUALLY CAPABLE YOUNG PEOPLE THE CREATIVE MINDS, HEALTHY BODIES, AND ETHICAL SPIRITS NEEDED TO CONTRIBUTE WISDOM, COMPASSION, AND LEADERSHIP TO A GLOBAL SOCIETY. WE PROVIDE A RIGOROUS, DYNAMIC ACADEMIC PROGRAM THROUGH WHICH EFFECTIVE EDUCATORS LEAD STUDENTS TO TAKE RESPONSIBILITY FOR LEARNING. WE ARE COMMITTED TO SUSTAINING A SCHOOL IN WHICH INDIVIDUALS REPRESENTING DIVERSE CULTURES AND EXPERIENCES INSTRUCT ONE ANOTHER IN THE MEANING AND VALUE OF COMMUNITY AND IN THE JOY AND IMPORTANCE OF LIFELONG LEARNING.

Where $100 goes at Lakeside School

How Lakeside School divides every $100 it spends, from its own Form 990 filings, averaged across 7 years.

$82 Programs the work itself
$16 Management running the organization
$2 Fundraising raising the next dollar

Inside the $82 for programs

$77
Lakeside School continues its focus on the core elements of its mission through the three areas of its strategic plan: educational excellence; community experience, engagement, and impact; and…
94% of program spending
$4
The downtown school, a smaller high school in Seattle center, opened in fall 2018
5% of program spending
$1
To support tools for learning, the school sells laptops, books, and other instructional materials to students' families, including providing financial aid to cover the cost of these materials…
1% of program spending
Share on LinkedIn Share on Facebook
Add this to your website

Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Officers & Directors

DIRECTOR OF COLLEGE COUNSELING Ari Worthman
IMMEDIATE PAST CHAIR Artemios Panos
ASSOC. HEAD OF SCHOOL/CFO Birage Tandon
TRUSTEE Brandon Vaughan
TRUSTEE Bridgette Taylor
DIRECTOR OF EXPERIENTIAL EDUCATION Bryan Smith

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$7,659,919 137 grants
Education
$2,265,746 33 grants
Fundraising & Sponsorship
$20,000 2 grants
International Aid & Development
$5,000 2 grants
Sports & Recreation
$2,500 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $125.3M $62.7M $590.5M
2024 $77.0M $58.7M $496.8M
2023 $78.9M $54.9M $445.5M
2022 $65.1M $52.2M $394.2M
2021 $55.7M $48.8M $426.5M

Between 2021 and 2025, reported annual revenue grew from $55.7M to $125.3M (+125%), with total assets most recently reported at $590.5M.

Interactive year-over-year charts and full filing details available with membership.

Similar Organizations in WA

MISSION CREEK OUTREACH SERVICES
SOUTH BEND, WA · Elementary & Secondary Schools
CASCADES MONTESSORI MIDDLE SCHOOL
BELLINGHAM, WA · Elementary & Secondary Schools
YAKIMA VALLEY VISITORS & CONVENTION FDN
YAKIMA, WA · Elementary & Secondary Schools
ORANJESCHOOL
MERCER ISLAND, WA · Elementary & Secondary Schools
MASTERS CHRISTIAN SCHOOL
Twisp, WA · Elementary & Secondary Schools

Browse all nonprofits & foundations in Seattle, →

See the full picture for LAKESIDE SCHOOL

Complete financials, all 176 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 880,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports
Start Free Trial → Log In
7-day free trial Cancel any time